CN207506668U - Head tractor for fixing - Google Patents
Head tractor for fixing Download PDFInfo
- Publication number
- CN207506668U CN207506668U CN201720395717.XU CN201720395717U CN207506668U CN 207506668 U CN207506668 U CN 207506668U CN 201720395717 U CN201720395717 U CN 201720395717U CN 207506668 U CN207506668 U CN 207506668U
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- seat
- spindle
- driven roller
- drawstring
- traction
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Abstract
The utility model is related to a kind of traction equipment, more particularly, to a kind of head tractor for fixing.Head tractor for fixing, rack including seat and in front of seat, driving spindle and drive link are provided in rack, foot pedal is connected in drive link, driving spindle parallel beneath is provided with slave spindle, drive gear is arranged in driving spindle and diameter is more than the positioning disk of drive gear, driven roller is slidably connected on slave spindle, one end of driven roller is fixedly installed the driven gear being meshed with drive gear, drawstring is wound in driven roller, the other end of drawstring is threaded through right over seat and is fixedly connected with headgear, headgear includes the pedestal for being erected on shoulder and the traction seat on pedestal, several leads are provided between traction seat and pedestal.The utility model has can be convenient for advantageous effects such as one man operation, the stability for being effectively prevented user's inclination above the waist, guarantee traction displacement and lead.
Description
Technical field
The utility model is related to a kind of traction equipment, more particularly, to a kind of head tractor for fixing.
Background technology
Existing neck traction pulls headgear by the promotion pulling force of drawstring, to lower jaw and the upward Traction of hindbrain.It draws
The type of drive of rope is required to be manually operated using hand rotation or motor rotation, this mode of operation, During manual operation
The middle upper part of the body easily generate inclination either distortion and when the upper part of the body tilts or to be easy to cause cervical traction direction inclined during distortion
Tiltedly, even if very small traction displacement and the change of lead, also easily cause cervical vertebra no small damage.It is and existing
This kind of mode of traction is that directly headgear is sleeved at neck, and lower jaw and hindbrain are caught, but this mode of traction can not using headgear
Shoulder is positioned, can not ensure shoulder position and the consistency in top pull direction.
Utility model content
Primarily directed to the above problem, one man operation can be convenient for, be effectively prevented use the utility model by providing one kind
Person tilts, ensures the head tractor for fixing of the stability of traction displacement and lead above the waist.
The purpose of this utility model is mainly what is be achieved by following proposal:A kind of head tractor for fixing, including
Seat and the rack in front of seat are provided with driving spindle in rack and positioned at driving spindle both ends for making driving spindle
The drive link of rotation is connected with foot pedal in drive link, and driving spindle parallel beneath is provided with slave spindle, driving spindle
On be arranged with the positioning disk that drive gear and diameter are more than drive gear, slidably connect driven roller, driven roller on slave spindle
One end be fixedly installed the driven gear being meshed with drive gear, be arranged with to apply driven gear on slave spindle
The preloading spring of axial pre tightening force, is wound with drawstring in driven roller, and the other end of drawstring is threaded through right over seat and fixed connects
Headgear is connected to, headgear includes with traction seat being connected for the pedestal and the traction seat on pedestal, drawstring being erected on shoulder,
Several leads are provided between traction seat and pedestal, lead is in T-shaped, upper end and the traction seat stationary phase of lead
Even, lower end and the pedestal of lead are slidably connected.Driving spindle is installed in rack, it is fixed in driving spindle to be arranged sliding tooth
Wheel and positioning disk, driving spindle underface are arranged in parallel slave spindle, driven roller and driven gear are arranged on slave spindle, drive
Dynamic roller can drive driven gear axial translation and axial-rotation on slave spindle.Driven gear is engaged with driving gear, is led
It is more than drive gear to disk diameter, at this point, driven gear has part when being engaged by the pretightning force of preloading spring with drive gear
End face is bonded with being oriented to side surface, and driven gear is limited using positioning disk.User sits on the seat, tramples foot pedal band
Dynamic connecting rod circular motion, and then driving spindle rotation is driven, driving spindle drives drive gear and is oriented to disc spins, drive gear
Driven gear and driven roller rotation are driven, the rotation of driven roller drives drawstring winding.The other end of drawstring be threaded through seat just on
Side is simultaneously fixedly connected with headgear, lifts headgear using drawstring, realizes cervical traction.User can complete to draw alone,
And when being wound with footboard drives drawstring, need not firmly it avoid tilting and distorting above the waist, prevent traction displacement above the waist
With the change of lead.Headgear includes the pedestal for being erected on shoulder and the traction seat on pedestal, and drawstring is with leading
Introduction is connected, several leads are provided between traction seat and pedestal, and lead is in T-shaped, and the upper end of lead is with leading
Introduction is fixedly linked, and lower end and the pedestal of lead are slidably connected, and when drawstring pulls traction seat to be pulled up, traction seat can
The guiding of lead is received, ensures that the angle that traction seat moves up and down is relatively uniform with pedestal always.When pedestal is erected at shoulder
When upper, the position of pedestal is fixed, and after lead is oriented to, the direction that traction seat moves up and down is fixed, and the position of traction and traction are applied
Force direction is fixed, and ensures that the tractive force that cervical vertebra is subject to is consistent with lead.
Preferably, being provided with clutch between the positioning disk and driven gear, clutch includes being arranged on
Clutch protrusion of the positioning disk on the end face of driven gear one end, clutch protrusion are more than the arc-shaped of drive gear for one section of diameter
Protrusion, the height of clutch protrusion are more than or equal to the thickness of drive gear, and clutch protrusion is provided at both ends with guiding surface.It is being oriented to
Clutch is provided between disk and driven gear, clutch includes being arranged on positioning disk on the end face of driven gear one end
Clutch protrusion, clutch protrusion be one section of diameter be more than drive gear arc-shaped convex, i.e. clutch protrusion will not be with sliding tooth
Wheel contact, but can there is part to contact with the end face of driven gear.When the clutch raised position on positioning disk and driven gear are wrong
When opening, preloading spring pushes driven gear to be bonded with positioning disk, i.e., driven gear is engaged with drive gear, at this point, driven roller is revolved
Turn drawstring winding, headgear is promoted.Continue to rotate with positioning disk, driven gear is by guiding surface and clutch projection contacts
When, since the height of clutch protrusion is more than or equal to the thickness of drive gear, clutch protrusion can push driven gear compression to pre-tighten
Spring, driven gear and driven roller are directed away from the direction axial translation of positioning disk, and driven gear is detached from drive gear, driving
The rotation of main shaft will not drive slave spindle to rotate, at this point, driven roller is stopped rotating, drawstring stops winding, and headgear stops traction.
Continue to rotate with positioning disk, driven gear is staggered with clutch protrusion, and preloading spring pushes driven gear to reset, driven gear
It is engaged with drive gear, drawstring winding, headgear continues to draw.Whole process can realize pulsed traction, and effectively protection uses
The ligament of neck and muscle of person.And this intermittent pulsed traction only needs foot pedal to trample, use towards unified direction
Unified dynamics and speed is trampled and can be realized, is ensured the motion mode of leg muscle memory and can be realized comparatively more
At the uniform velocity, the pulsed traction that frequency is more nearly.
Preferably, the card convex that diameter is more than slave spindle is provided on the slave spindle outer wall, driven roller inner ring
Brake shoes is provided on face, the distance between brake shoes and card convex are less than or equal to the height of clutch protrusion, and card convex is close to brake shoes
One end and brake shoes be both provided with brake inclined-plane close to one end of card convex.Diameter is provided on slave spindle outer wall more than driven
The card convex of main shaft is provided with brake shoes on driven roller inner ring surface, when clutch protrusion pushes driven gear and driven roller to be directed away from
During the direction axial translation of positioning disk, the brake shoes in driven roller is mobile towards the card convex direction on slave spindle and contacts, and connects
Contacting surface for brake inclined-plane, the distance between brake shoes and card convex be less than or equal to clutch protrusion height, i.e., clutch protrusion promotion from
The displacement of moving gear is more than or equal to the distance between brake shoes and card convex, can ensure the abundant extruding of brake shoes and card convex, profit
Frictional force when being squeezed with brake contact of incline plane realizes brake, and driven roller is avoided to be relatively rotated with slave spindle, realizes drawstring
The fixation of position and the fixation of the fixation, i.e. distracted position, lead and tractive force of headgear position.Utilize brake shoes and card
It is convex to realize brake, it can ensure in entire distraction procedure, the variation of tractive force is:Tractive force increase, tractive force are kept, tractive force
Continue increase, tractive force is kept.When reaching the dynamics that user can bear, can clutch protrusion push driven gear with
When drive gear detaches, the locked of tractive force is realized using brake shoes and card convex.
Preferably, the clutch protrusion is major arc.Clutch protrusion is major arc, extends the time of holding.
Preferably, linear bearing and rolling bearing, linear bearing are provided between the driven roller and slave spindle
On the outside of slave spindle, rolling bearing is located on the outside of linear bearing.Linear bearing is provided between driven roller and slave spindle
And rolling bearing, linear bearing are located on the outside of slave spindle, rolling bearing is located on the outside of linear bearing, and linear bearing can ensure
Rolling bearing and driven roller and slave spindle can axial translation, rolling bearing can ensure that driven roller can with slave spindle
It relatively rotates, can either ensure that driven roller can realize that axial position changes, and can realize that axial-rotation drives drawstring winding.
Preferably, the seat rear is provided with standpipe, drawstring is worn after being pierced by by driven roller by the first directive wheel
Enter in standpipe, be pierced by above seat using the second directive wheel level, fall vertically using third directive wheel.Seat rear
Standpipe is provided with, standpipe is used to position drawstring, enables drawstring vertical by the first directive wheel after being pierced by by driven roller level
It penetrates in standpipe, then realizes that drawstring falls vertically by the second directive wheel and third directive wheel, ensure that drawstring can be incited somebody to action in winding
The torque of winding is converted into the pulling force of vertical direction.
Preferably, further including the helmet, air bag is provided between the frontal bone and occipital bone of the helmet.Air bag is symmetrical multigroup
Branch, air bag will avoid main arteria carotis, and grouping is moved in turn, and place blood and block.
Therefore, a kind of head tractor for fixing of the utility model has following advantages:User sits on the seat, tramples
Foot pedal drives connecting rod circular motion, and then drive driving spindle rotation, and driving spindle drives drive gear and guiding to spiral
Turn, drive gear drives driven gear and driven roller rotation, and the rotation of driven roller drives drawstring winding.The other end of drawstring is worn
Right over seat and headgear is fixedly connected with, headgear is lifted using drawstring, realizes cervical traction.User can be alone
It completes to draw, and when being wound with footboard drives drawstring, need not firmly avoid tilting and distorting above the waist, prevent above the waist
Only draw displacement and the change of lead.
Description of the drawings
Attached drawing 1 is a kind of structure diagram of the utility model in traction state;
Attached drawing 2 is sectional view at A-A in attached drawing 1;
Attached drawing 3 is a kind of structure diagram of the utility model in hold mode;
Attached drawing 4 is sectional view when driven roller is in traction state in the utility model;
Attached drawing 5 is sectional view of the driven roller in hold mode in the utility model;
Attached drawing 6 is the cross-section cutaway view of headgear.
It illustrates:1- racks, 2- driving spindles, 3- drive gears, 4- positioning disks, 5- clutches protrusion, 6- slave spindles,
7- driven gears, 8- driven rollers, 9- positioning disks, 10- preloading springs, 11- connecting rods, 12- foot pedals, 13- seats, 14- drawstrings,
The first directive wheels of 15-, the second directive wheels of 16-, 17- third directive wheels, 18- headgears, 19- linear bearings, 20- rolling bearings, 21-
Card convex, 22- brake shoes, 23- brakes inclined-plane, 24- guiding surfaces, 25- pedestals, 26- traction seats, 27- leads.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1:As shown in Fig. 1,2,4, a kind of head tractor for fixing, the machine including seat 13 and in front of seat
Frame 1 is provided with driving spindle 2 and the drive link 11 for being used to rotate driving spindle positioned at driving spindle both ends in rack, drives
Foot pedal 12 is connected on dynamic connecting rod, driving spindle parallel beneath is provided with slave spindle 6, sliding tooth is arranged in driving spindle
Wheel 3 and diameter are more than the positioning disk 4 of drive gear, and driven roller 8 is slidably connected on slave spindle, and one end of driven roller, which is fixed, to be set
The driven gear 7 being meshed with drive gear is equipped with, is arranged with to apply axial pre tightening force to driven gear on slave spindle
Preloading spring 10, drawstring 14 is wound in driven roller, the other end of drawstring is threaded through right over seat and is fixedly connected with head
Set 18.Clutch is provided between positioning disk and driven gear, clutch includes being arranged on positioning disk close to driven gear
Clutch protrusion 5 on the end face of one end, clutch protrusion are more than the arc-shaped convex of drive gear, the height of clutch protrusion for one section of diameter
Degree is more than or equal to the thickness of drive gear, and clutch protrusion is provided at both ends with guiding surface 24.It is provided on slave spindle outer wall
Diameter is more than the card convex 21 of slave spindle, and brake shoes 22, the distance between brake shoes and card convex are provided on driven roller inner ring surface
Less than or equal to the height of clutch protrusion, card convex is both provided with brake close to one end of brake shoes and brake shoes close to one end of card convex
Inclined-plane 23.Positioning disk 9 is provided on slave spindle, preloading spring is between positioning disk and driven gear.Driven roller with it is driven
Linear bearing 19 and rolling bearing 20 are provided between main shaft, linear bearing is located on the outside of slave spindle, and rolling bearing is located at straight
Spool holds outside.Seat rear is provided with standpipe, and drawstring is penetrated by the first directive wheel 15 in standpipe after being pierced by by driven roller, then
It is pierced by above seat by 16 level of the second directive wheel, falls vertically using third directive wheel 17.As shown in fig. 6, headgear
Including being used to be erected at the pedestal 25 on shoulder and the traction seat on pedestal 26, drawstring is connected with traction seat, traction seat with
Several leads 27 are provided between pedestal, lead is in T-shaped, and upper end and the traction seat of lead are fixedly linked, and lead
It is slidably connected to the lower end of column with pedestal.
Driving spindle is installed, fixed in driving spindle to be arranged drive gear and positioning disk, driving spindle is just in rack
Parallel beneath sets slave spindle, is arranged with driven roller and driven gear on slave spindle, driven roller can drive driven gear
Axial translation and axial-rotation on slave spindle.Driven gear is engaged with driving gear, is oriented to disk diameter and is more than drive gear,
At this point, driven gear has portion end surface to be bonded with being oriented to side surface when being engaged by the pretightning force of preloading spring with drive gear,
Driven gear is limited using positioning disk.User sits on the seat, tramples foot pedal to drive connecting rod circular motion, and then band
Dynamic driving spindle rotation, driving spindle drive drive gear and are oriented to disc spins, and drive gear drives driven gear and driven roller
Rotation, the rotation of driven roller drive drawstring winding.The other end of drawstring is threaded through right over seat and is fixedly connected with headgear, profit
Headgear is lifted with drawstring, realizes cervical traction.User can complete to draw alone, and with footboard drives drawstring
During winding, need not firmly it avoid tilting and distorting above the waist, prevent traction displacement and the change of lead above the waist.It is leading
Clutch is provided between disk and driven gear, clutch includes being arranged on positioning disk close to driven gear one end end face
On clutch protrusion, clutch protrusion be one section of diameter be more than drive gear arc-shaped convex, i.e. clutch protrusion will not be with driving
Gear Contact, but can there is part to contact with the end face of driven gear.When the clutch raised position and driven gear on positioning disk
When being staggered, preloading spring pushes driven gear to be bonded with positioning disk, i.e., driven gear is engaged with drive gear, at this point, driven roller
Drawstring winding is rotated, headgear is promoted.Continue to rotate with positioning disk, driven gear is by guiding surface and clutch projection contacts
When, since the height of clutch protrusion is more than or equal to the thickness of drive gear, clutch protrusion can push driven gear compression to pre-tighten
Spring, driven gear and driven roller are directed away from the direction axial translation of positioning disk, and driven gear is detached from drive gear, is such as schemed
Shown in 3, the rotation of driving spindle will not drive slave spindle to rotate, at this point, driven roller is stopped rotating, drawstring stops winding, head
Set stops traction.Continue to rotate with positioning disk, driven gear is staggered with clutch protrusion, and preloading spring pushes driven gear to answer
Position, driven gear are engaged with drive gear, and drawstring winding, headgear continues to draw.Whole process can realize pulsed traction, effectively
Protect the ligament of neck and muscle of user in ground.And this intermittent pulsed traction only needs foot pedal towards unified direction
It tramples, trample and can realize using unified dynamics and speed, phase can be realized by ensureing the motion mode of leg muscle memory
For more at the uniform velocity, the pulsed traction that is more nearly of frequency.Diameter is provided on slave spindle outer wall more than slave spindle
Card convex is provided with brake shoes on driven roller inner ring surface, when clutch protrusion pushes driven gear and driven roller to be directed away from positioning disk
Direction axial translation when, the brake shoes in driven roller is mobile towards the card convex direction on slave spindle and contacts, and contact surface is
Brake inclined-plane, and the distance between brake shoes and card convex are less than or equal to the height of clutch protrusion, i.e. clutch protrusion pushes driven gear
Displacement be more than or equal to the distance between brake shoes and card convex, as shown in figure 5, can ensure fully squeezing for brake shoes and card convex
Pressure, frictional force when being squeezed using the contact of incline plane that brakes are realized brake, driven roller are avoided to be relatively rotated with slave spindle, is realized
The fixation of drawstring position and the fixation of the fixation, i.e. distracted position, lead and tractive force of headgear position.Utilize brake shoes
It realizes and brakes with card convex, can ensure in entire distraction procedure, the variation of tractive force is:Tractive force increase, tractive force keep, lead
Gravitation continues increase, tractive force is kept.When reaching the dynamics that user can bear, driven tooth can be pushed in clutch protrusion
When wheel is detached with drive gear, the locked of tractive force is realized using brake shoes and card convex.Positioning disk is provided on slave spindle, in advance
Tight spring positions preloading spring position between positioning disk and driven gear, using positioning disk, ensures preloading spring position
It is fixed.Linear bearing and rolling bearing are provided between driven roller and slave spindle, linear bearing is located on the outside of slave spindle, turns
Dynamic bearing is located on the outside of linear bearing, and linear bearing can ensure that rolling bearing and driven roller can axially be put down with slave spindle
It moves, rolling bearing can ensure that driven roller can be relatively rotated with slave spindle, can either ensure that driven roller can realize axial direction
Position change, and can realize that axial-rotation drives drawstring winding.Seat rear is provided with standpipe, and standpipe is used to determine drawstring
Position, enables drawstring to be penetrated in standpipe vertically by the first directive wheel after being pierced by by driven roller level, then by the second directive wheel and
Third directive wheel realizes that drawstring falls vertically, ensures that the torque of winding can be converted into the drawing of vertical direction in winding by drawstring
Power.
It should be understood that the embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model.In addition
It should be understood that after reading the content taught by the present invention, those skilled in the art can make the utility model various
Change or modification, these equivalent forms also fall within the scope of the appended claims of the present application.
Claims (7)
1. a kind of head tractor for fixing, which is characterized in that the rack including seat and in front of seat is provided in rack
Driving spindle and the drive link for being used to rotate driving spindle positioned at driving spindle both ends, are connected in drive link foot-operated
Plate, driving spindle parallel beneath are provided with slave spindle, and drive gear is arranged in driving spindle and diameter is more than drive gear
Positioning disk, slidably connect driven roller on slave spindle, one end of driven roller is fixedly installed what is be meshed with drive gear
Driven gear is arranged with the preloading spring for applying axial pre tightening force to driven gear on slave spindle, is wound in driven roller
There is drawstring, the other end of drawstring is threaded through right over seat and is fixedly connected with headgear;Headgear includes being erected at shoulder
Pedestal and the traction seat on pedestal, drawstring be connected with traction seat, several guiding are provided between traction seat and pedestal
Column, lead are in T-shaped, and upper end and the traction seat of lead are fixedly linked, and lower end and the pedestal of lead are slidably connected.
2. head tractor for fixing according to claim 1, which is characterized in that between the positioning disk and driven gear
Clutch is provided with, clutch includes being arranged on clutch protrusion of the positioning disk on the end face of driven gear one end, clutch
Protrusion is more than the arc-shaped convex of drive gear for one section of diameter, and the height of clutch protrusion is more than or equal to the thickness of drive gear,
Clutch protrusion is provided at both ends with guiding surface.
3. head tractor for fixing according to claim 2, which is characterized in that be provided on the slave spindle outer wall
Diameter is more than the card convex of slave spindle, is provided with brake shoes on driven roller inner ring surface, the distance between brake shoes and card convex are less than
Equal to the height of clutch protrusion, card convex is both provided with brake tiltedly close to one end of brake shoes and brake shoes close to one end of card convex
Face.
4. head tractor for fixing according to claim 2, which is characterized in that the clutch protrusion is major arc.
A kind of 5. head tractor for fixing according to claims 1 or 2 or 3 or 4, which is characterized in that the driven roller
Linear bearing and rolling bearing are provided between slave spindle, linear bearing is located on the outside of slave spindle, and rolling bearing is located at
On the outside of linear bearing.
6. the head tractor for fixing according to claims 1 or 2 or 3 or 4, which is characterized in that the seat rear is set
Standpipe is equipped with, drawstring is penetrated by the first directive wheel in standpipe after being pierced by by driven roller, is pierced by using the second directive wheel level
Above to seat, fall vertically using third directive wheel.
7. the head tractor for fixing according to claims 1 or 2 or 3 or 4, which is characterized in that the helmet is further included, the helmet
Air bag is provided between frontal bone and occipital bone.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720395717.XU CN207506668U (en) | 2017-04-16 | 2017-04-16 | Head tractor for fixing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720395717.XU CN207506668U (en) | 2017-04-16 | 2017-04-16 | Head tractor for fixing |
Publications (1)
Publication Number | Publication Date |
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CN207506668U true CN207506668U (en) | 2018-06-19 |
Family
ID=62530762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720395717.XU Active CN207506668U (en) | 2017-04-16 | 2017-04-16 | Head tractor for fixing |
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Country | Link |
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CN (1) | CN207506668U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109009040A (en) * | 2018-08-09 | 2018-12-18 | 张日鑫 | A kind of internal medicine blood pressure detecting air bag compressor |
CN109620503A (en) * | 2018-12-06 | 2019-04-16 | 西安市红会医院 | A kind of novel children's femoral fracture tractor |
-
2017
- 2017-04-16 CN CN201720395717.XU patent/CN207506668U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109009040A (en) * | 2018-08-09 | 2018-12-18 | 张日鑫 | A kind of internal medicine blood pressure detecting air bag compressor |
CN109009040B (en) * | 2018-08-09 | 2020-12-01 | 青岛大学附属医院 | Blood pressure detection inflatable air bag compressor for internal medicine |
CN109620503A (en) * | 2018-12-06 | 2019-04-16 | 西安市红会医院 | A kind of novel children's femoral fracture tractor |
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